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This thesis introduces readers to the Standard Model, the top quark
and its properties, before explaining the concept of spin
correlation measurement. The first measurement of top quark spin
correlations at the LHC in the lepton+jets decay channel is
presented. As the heaviest elementary particle, the top quark plays
an essential role in the Standard Model of elementary particle
physics. In the case of top quarks being produced in pairs at
hadron colliders, the Standard Model predicts their spins to be
correlated. The degree of correlation depends on both the
production mechanism and properties of the top quark. Any deviation
from the Standard Model prediction can be an indicator for new
physics phenomena. The thesis employs an advanced top quark
reconstruction algorithm including dedicated identification of the
up- and down-type quarks from the W boson decay.
This thesis introduces readers to the Standard Model, the top quark
and its properties, before explaining the concept of spin
correlation measurement. The first measurement of top quark spin
correlations at the LHC in the lepton+jets decay channel is
presented. As the heaviest elementary particle, the top quark plays
an essential role in the Standard Model of elementary particle
physics. In the case of top quarks being produced in pairs at
hadron colliders, the Standard Model predicts their spins to be
correlated. The degree of correlation depends on both the
production mechanism and properties of the top quark. Any deviation
from the Standard Model prediction can be an indicator for new
physics phenomena. The thesis employs an advanced top quark
reconstruction algorithm including dedicated identification of the
up- and down-type quarks from the W boson decay.
Do you love quantum physics, cosmology, and the humor behind the
popular television show The Big Bang Theory? Have you been on the
lookout for a fun, non-technical explanation of the science behind
things like time travel, wormholes, antimatter, and dark energy?
You'll find all of that, and more, inside this fact-filled,
cartoon-packed book. In Quirky Quarks: A Cartoon Guide to the
Fascinating Realm of Physics you'll get: The latest science behind
the mysteries of our universe explained in common everyday
language. A major dose of cartoons, comics, and humor. A good grasp
on the often-bizarre nature of reality. Start reading and you'll
find that hard science does not have to be hard. Whether you're a
teacher, a physicist, or just a lover of the curious, this is the
book that delivers the facts in an engaging and entertaining
cartoon world inhabited by two dogs, a cat, and some very quirky
quarks which you might know from The Particle Zoo. With cutting
edge science articles by physicists Boris Lemmer and Benjamin Bahr,
and drawings by cartoonist Rina Piccolo, this may be the most fun
science reading you're likely to find out there.
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